Nearby theorems
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| Mirrors > Home > PE Home > Th. List > wff-rcp-AND4 | |||
| Description: Extend WFF definition to include '∧' 4-Tuple. |
| Ref | Expression |
|---|---|
| wff-ph1 | wff 𝜑₁ |
| wff-ph2 | wff 𝜑₂ |
| wff-ph3 | wff 𝜑₃ |
| wff-ph4 | wff 𝜑₄ |
| Ref | Expression |
|---|---|
| wff-rcp-AND4 | wff (𝜑₁ ∧ 𝜑₂ ∧ 𝜑₃ ∧ 𝜑₄) |
| Colors of variables: wff objvar term class |
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